feat: zero-API-key panel degradation (#58, #56)#101
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Add renderDegraded()/clearDegraded() primitives to PanelBase so panels can show styled configuration hints when data sources are unavailable. Wire degraded payloads into AIBriefPanel, add skeleton lifecycle to EntityTrackerPanel, and introduce an App-level 15s initial-load timeout that degrades all panels with no data. Real data always wins -- markDataReceived() clears any degraded state automatically. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- PanelBase.renderDegraded: sanitize innerHTML via DOMPurify to prevent XSS - ServiceStatusPanel: add markDataReceived() in renderStatus(), cleanupTimers() in destroy() - AIBriefPanel: set hasReceivedData on degraded path to prevent timeout overwrite - App: remove hasAnyDataReceived() guard so degradeUnreceivedPanels runs unconditionally Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
updateAll() pushes source items to all panels including AIBriefPanel. Without a shape check, the panel called markDataReceived() on source item arrays, preventing the 15s degradation timeout from firing. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
renderDegraded()/clearDegraded()primitives toPanelBasefor graceful panel degradation with styled messages and actionable CLI hintsAIBriefPanelso it shows a configure message when AI generation fails, and add missing skeleton lifecycle toEntityTrackerPanel.panel-degradedand.panel-configure-hintstatesmarkDataReceived()automatically clears any degraded stateTest plan
renderDegraded()creates.panel-degradedelement in containerclearDegraded()removes the degraded elementmarkDataReceived()callsclearDegraded()(data arrival clears degradation)renderDegraded()then sending data restores normal panel state.panel-configure-hintstylingnpx tsc --noEmitpasses with zero errorsnpx vitest runpasses all 752 tests (39 test files, 7 new)Closes #58, closes #56
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